Chitosan Nanopowder
https://www.sciencecollaboration.org/shop/fm-sr-65468-chitosan-nanopowder-24068
https://www.sciencecollaboration.org/web/image/product.template/24068/image_1920?unique=2daf0d8
Chitosan Nanopowder with 80-100nm particle size, 99% purity, biodegradable polymer for biomedical, pharmaceutical, and water treatment uses. 5g
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